Counting games and rhythmic activities build a solid foundation for arithmetic and number skills; (eastbaywaldorf.org)
If your baby's body clock (a.k.a. circadian rhythm (body clock) A daily rhythmic activity cycle, based on 24 - hour intervals. (sleep.org)
That way, your body's internal clock — also called a circadian rhythm (body clock) A daily rhythmic activity cycle, based on 24 - hour intervals. (sleep.org)